4-port USB 3.0 PCI Express Card - 2 External & 2 Internal - SATA Power Add front or rear panel USB 3.0 ports to your computer case using USB 3.0 motherboard-style headers. External ports: 2 x USB 3.0 A (9-pin; SuperSpeed) female Internal ports: 1 x SATA power (15-pin) male 2 x IDC (20-pin; USB 3.0; motherboard header) socket Max. transfer rate: 5 Gb/s Card type: Standard profile (low-profile installation bracket included)